ÌâÄ¿ÄÚÈÝ

Ëá¡¢¼î¡¢ÑÎÊÇÓй㷺ÓÃ;µÄÖØÒª»¯ºÏÎij»¯Ñ§»î¶¯Ð¡×éµÄͬѧΧÈÆÕ⼸À໯ºÏÎï½øÐÐÁËһϵÁеÄ̽¾¿»î¶¯£®
£¨1£©Í¬Ñ§ÃÇ´ò¿ªÊ¢Å¨ÑÎËáºÍŨÁòËáÊÔ¼ÁÆ¿µÄÆ¿¸Ç£¬Á¢¼´¾ÍÄÜ°ÑËüÃÇÇø·Ö¿ªÀ´£¬ÕâÊÇΪʲô£¿
£¨2£©ÓÒͼÊÇijÊÔ¼ÁÆ¿±êÇ©ÉϵÄÄÚÈÝ£®Òª°Ñ10gÕâÖÖŨÁòËáÏ¡ÊÍΪ20%µÄÁòËᣬÐèҪˮµÄÖÊÁ¿Îª
 
g£®Ï¡ÊÍŨÁòËáʱ£¬²»¿É½«Ë®µ¹½øŨÁòËáÀÇë½âÊÍÆäÔ­Òò£®
 
 
¡¡Å¨ÁòËᣨ·ÖÎö´¿£©
»¯Ñ§Ê½£ºH2SO4¡¡¡¡Ïà¶Ô·Ö×ÓÖÊÁ¿£º98
Ãܶȣº1.84/cm3¡¡
ÖÊÁ¿·ÖÊý£º98%
£¨3£©ÎªÌ½¾¿Ò»Æ¿ÇâÑõ»¯ÄƹÌÌåµÄ±äÖÊÇé¿ö£¬Í¬Ñ§ÃǽøÐÐÁËÈçÏÂʵÑ飮
¢ÙÈ¡ÉÙÁ¿¸Ã¹ÌÌåÑùÆ·ÖÃÓÚÊÔ¹ÜÖУ¬ÏòÆäÖмÓÈëÒ»ÖÖÎÞÉ«ÈÜÒº£¬·¢ÏÖÓÐÆøÅݲúÉú£¬ËµÃ÷¸ÃÑùÆ·Öк¬ÓÐ̼ËáÄÆ£¬ÓÉ´Ë¿ÉÈ·¶¨¸Ã¹ÌÌåÒÑ·¢Éú±äÖÊ£®ÔòÎÞÉ«ÈÜÒº¿ÉÄÜÊÇ
 
£®
¢ÚΪ̽¾¿¸Ã¹ÌÌåÖÐÊÇ·ñ»¹ÓÐδ±äÖʵÄÇâÑõ»¯ÄÆ£¬Í¬Ñ§ÃÇÓÖ½øÐÐÁËÈçϱíËùʾµÄʵÑ飮ÒÑ֪̼ËáÄƵÄË®ÈÜÒº³Ê¼îÐÔ£¬ËüµÄ´æÔÚ»á¶ÔÇâÑõ»¯ÄƵļìÑéÔì³É¸ÉÈÅ£®
ÒõÀë×Ó
ÑôÀë×Ó
OH- NO3- Cl- SO42- CO32-
H+ ÈÜ¡¢»Ó ÈÜ¡¢»Ó ÈÜ ÈÜ¡¢»Ó
Na+ ÈÜ ÈÜ ÈÜ ÈÜ ÈÜ
Ba2+ ÈÜ ÈÜ ÈÜ ²»ÈÜ ²»ÈÜ
Çë¸ù¾ÝÉÏͼ²¿·ÖÎïÖʵÄÈܽâÐÔ±í£¨20¡æ£©ËùÌṩµÄÐÅÏ¢£¬½«Ï±íÌîдÍêÕû£®
ʵÑéÄ¿µÄ ʵÑé²Ù×÷ ÏÖÏó ½áÂÛ»ò»¯Ñ§·½³Ìʽ
³ýȥ̼ËáÄÆ È¡ÉÙÁ¿¸Ã¹ÌÌåÑùÆ·ÈÜÓÚË®Åä³ÉÈÜÒº£¬µÎ¼ÓÊÊÁ¿µÄ
 
ÈÜÒº£¬³ä·Ö·´Ó¦ºó¹ýÂË
Óа×É«³ÁµíÉú³É Óйط´Ó¦µÄ»¯Ñ§·½³ÌʽΪ
 
¼ìÑéÊÇ·ñº¬ÓÐÇâÑõ»¯ÄÆ ÔÚÂËÒºÖеμӷÓ̪ÈÜÒº
 
¸ÃÑùÆ·Öк¬ÓÐÇâÑõ»¯ÄÆ
£¨4£©Èô73 gÖÊÁ¿·ÖÊýΪ20%µÄÑÎËáÓë127gÇâÑõ»¯ÄÆÈÜҺǡºÃÍêÈ«Öкͣ¬ÊÔ¼ÆËã·´Ó¦ºóËùµÃÈÜÒºÖÐÈÜÖʵÄÖÊÁ¿·ÖÊý£®
·ÖÎö£º£¨1£©¸ù¾ÝŨÑÎËáµÄ»Ó·¢ÐÔ£¬Çø·ÖŨÑÎËáºÍŨÁòË᣺ŨÑÎËáÆ¿¿Ú³öÏÖ°×Îí£¬ÇÒÎŵ½´Ì¼¤ÐÔÆøÌ壮±¾ÎʾßÓÐÒ»¶¨¿ª·ÅÐÔ£»
£¨2£©¸ù¾ÝÏ¡ÊÍÇ°ºóÈÜÖÊÁòËáÖÊÁ¿²»±ä¼ÆËãÏ¡ÊÍʱËùÐèҪˮµÄÁ¿£»²¢½âÊͲÙ×÷£»
£¨3£©Ì½¾¿Ò»Æ¿ÇâÑõ»¯ÄƹÌÌåµÄ±äÖÊÇé¿ö£¬ÇâÑõ»¯ÄÆÎüÊÕ¿ÕÆøÀïµÄ¶þÑõ»¯Ì¼Éú³É̼ËáÄÆ£®
¢ÙÀûÓÃ̼ËáÑεÄÐÔÖÊ£¬¼ìÑé̼ËáÄƵĴæÔÚ£¬Ö¤Ã÷ÇâÑõ»¯ÄƱäÖÊ£»
¢ÚÑ¡ÔñºÏÊʵÄÊÔÒº³ýȥ̼ËáÄÆ£¬¼ìÑéÇâÑõ»¯ÄÆÊÇ·ñ´æÔÚ£®³ýȥ̼ËáÄÆʱ²»ÄÜʹÓúÍÉú³É¼îÐÔÎïÖÊ£¬±ÜÃâ½ÓÏÂÀ´ÇâÑõ»¯ÄƵļìÑ飻
£¨4£©»¯Ñ§·½³ÌʽÓëÈÜÒºµÄÈÜÖÊÖÊÁ¿·ÖÊýÏà½áºÏµÄ¼ÆË㣮ÔÚÀûÓû¯Ñ§·½³Ìʽ½øÐмÆËãʱ£¬127gÊÇÇâÑõ»¯ÄÆÈÜÒºµÄÖÊÁ¿£¬ËùÒÔ²»ÄÜ°Ñ127g×÷ΪÇâÑõ»¯ÄƵÄÖÊÁ¿¶øʹÓã®Òò·´Ó¦¼È²»²úÉúÆøÌåÓÖÎÞ³Áµí£¬·´Ó¦ºóËùµÃÈÜÒºÖÊÁ¿¼´ÎªÇâÑõ»¯ÄÆÈÜÒººÍÏ¡ÑÎËáÈÜÒºµÄÖÊÁ¿ºÍ£®
½â´ð£º½â£º£¨1£©Å¨ÑÎËáÒ×»Ó·¢£¬»Ó·¢³öµÄÂÈ»¯ÇâÆøÌåÓë¿ÕÆøÀïµÄË®ÕôÆø½áºÏ³ÉÑÎËáµÄСҺµÎ£¬Æ¿¿Ú³öÏÖ°×Îí£»¶øŨÁòËá²»»Ó·¢£¬ÎÞ´ËÏÖÏó£®ÂÈ»¯ÇâÆøÌåµÄ´Ì¼¤ÐÔÆø棬´ò¿ªÆ¿¸ÇÄÜÎŵ½´Ì¼¤ÐÔÆøζµÄΪŨÑÎËᣮ
¹Ê´ð£ºÆ¿¿Ú³öÏÖ°×ÎíµÄÊÇŨÑÎËᣬÒòΪŨÑÎËáÓлӷ¢ÐÔ£®£¨»òÎŵ½´Ì¼¤ÐÔÆøζµÄΪŨÑÎËᣩ
£¨2£©¾Ý±êÇ©£¬Æ¿ÄÚŨÁòËáÖÊÁ¿·ÖÊýΪ98%£¬ÉèÐèҪˮµÄÖÊÁ¿Îªx
10g¡Á98%=£¨x+10g£©¡Á20% ½âÖ®µÃ x=39g
¹Ê´ð£º39£»
Èç¹û°ÑÃܶȽÏСµÄË®µ¹ÈëÃܶȴóµÄŨÁòËáÀˮ¸¡ÔÚŨÁòËáÉÏÃ棬ŨÁòËáÈܽâʱ·Å³ö´óÁ¿µÄÈÈʹˮ·ÐÌÚ£¬Ôì³ÉËáÒº·É½¦
¹Ê´ð£ºË®µÄÃܶȽÏС£¬¸¡ÔÚŨÁòËáÉÏÃ棬Èܽâʱ·Å³öµÄÈÈ»áʹˮ·ÐÌÚ£¬Ôì³ÉËáÒº·É½¦£®
£¨3£©¢Ù̼ËáÑοÉÒÔÓëÏ¡ÑÎËá·´Ó¦·Å³öÄÜʹ³ÎÇåʯ»ÒË®±ä»ë×ǵĶþÑõ»¯Ì¼ÆøÌ壻
¹Ê´ð£ºÑÎËᣨ»òÁòËáµÈ£©
¢Ú¸ù¾ÝÈܽâÐÔ±í£¬¿ÉÑ¡ÔñBaCl2»òBa£¨NO3£©2³ýȥ̼ËáÄÆ£»Åųý̼ËáÄƵÄÓ°Ïìºó£¬µÎ¼Ó·Ó̪ÊÔÒº¼ìÑéÇâÑõ»¯ÄÆ£¬ÎÞÉ«·Ó̪±äºì£¬Ö¤Ã÷ÈÜÒºÖк¬ÓÐÇâÑõ»¯ÄÆ£®
¹ÊÑ¡BaCl2£¨»òBa£¨NO3£©2£©£¬BaCl2+Na2CO3=BaCO3¡ý+2NaCl£¬ÎÞÉ«·Ó̪±äºì£»
£¨4£©½â£ºÉè·´Ó¦ºó£¬Éú³ÉÂÈ»¯ÄƵÄÖÊÁ¿Îªx£®
HCl+NaOH=NaCl+H2O
36.5     58.5
73g¡Á20%   x
36.5
58.5
=
73g¡Á20%
x
£¬
½âÖ®µÃ£ºx=23.4g
·´Ó¦ºóËùµÃÈÜÒºÖÐÈÜÖʵÄÖÊÁ¿·ÖÊýΪ
23.4g
73g+127g
¡Á100%=11.7%
´ð£º·´Ó¦ºóËùµÃÈÜÒºÖÐÈÜÖʵÄÖÊÁ¿·ÖÊýΪ11.7%£®
µãÆÀ£ºÀûÓÃÖÊÁ¿Êغã¼ÆËã·´Ó¦ºóÈÜÒºÖÊÁ¿±È½ÏÖ±¹Û£º·´Ó¦¼È²»²úÉúÆøÌåÓÖÎÞ³Áµí£¬·´Ó¦ºóËùµÃÈÜÒºÖÊÁ¿¼´Îª·´Ó¦Ç°Á½ÈÜÒºµÄÖÊÁ¿ºÍ£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿
¾«Ó¢¼Ò½ÌÍøËá¡¢¼î¡¢ÑÎÊÇÓй㷺ÓÃ;µÄÖØÒª»¯ºÏÎij»¯Ñ§»î¶¯Ð¡×éµÄͬѧΧÈÆÕ⼸À໯ºÏÎï½øÐÐÁËһϵÁеÄ̽¾¿»î¶¯£®
£¨1£©ÑÎËá¡¢ÁòËáµÈ¾ßÓÐÏàËƵĻ¯Ñ§ÐÔÖÊ£¬ÊÇÒòΪ¶þÕßµÄË®ÈÜÒºÖж¼º¬ÓÐ
 
Àë×Ó£®´ò¿ªÊ¢Å¨ÑÎËáºÍŨÁòËáµÄÊÔ¼ÁÆ¿µÄÆ¿¸Ç£¬Á¢¼´¾ÍÄÜ°ÑËüÃÇÇø·Ö¿ªÀ´£¬ÕâÊÇÒòΪ
 
£®
£¨2£©ÈçͼÊǼ×ͬѧÉè¼ÆµÄȤζʵÑé×°Öã¬ÆäÆøÃÜÐÔÁ¼ºÃ£®Èô½ºÍ·µÎ¹ÜÖеÄÎïÖÊÊÇŨNaOHÈÜÒº£¬×¶ÐÎÆ¿ÖгäÂúCO2£¬Ôò¼·Ñ¹½ºÍ·µÎ¹ÜºóÄܹ۲쵽ʲôÏÖÏ󣿲¢Ð´³öÓйط´Ó¦µÄ»¯Ñ§·½³Ìʽ£®
£¨3£©Ê¢·ÅNaOHÈÜÒºµÄÊÔ¼ÁÆ¿Æ¿¿ÚºÍÏðƤÈûÉϳöÏÖÁË°×É«·ÛÄ©£®ÒÒͬѧºÍ±ûͬѧ¶ÔÕâÖÖ°×É«·ÛÄ©µÄ³É·Ö½øÐÐÁËÈçϲÂÏëºÍÑéÖ¤£®
£¨¢ñ£©¿ÉÄÜÊÇNaOH£¨¢ò£©¿ÉÄÜÊÇNa2CO3£¨¢ó£©¿ÉÄÜÊÇNaOHÓëNa2CO3µÄ»ìºÏÎï
¢ÙÒÒͬѧÏòËùÈ¡ÉÙÁ¿·ÛÄ©ÖеμÓÒ»ÖÖÈÜÒººó£¬ÅųýÁË£¨¢ñ£©µÄ¿ÉÄÜÐÔ£®ÇëÄãÍƲâËûËù¼ÓµÄÊÔ¼ÁºÍ¹Û²ìµ½µÄÏÖÏó£®
¢Ú±ûͬѧÌáÒéÓ÷Ó̪ÊÔÒºÀ´¼ø¶¨£¬ÄãÈÏΪ¿ÉÐÐÂð£¿Çë¼òҪ˵Ã÷ÀíÓÉ£®
£¨4£©Ä³Í¬Ñ§¶Ô¸½½üÒ»¼Ò»¯¹¤³§ÅŷŵÄÎÛË®ÖеÄÇâÑõ»¯Äƺ¬Á¿½øÐÐÁ˲ⶨ£®ËûÈ¡ÁË40gÎÛË®ÓÚÉÕ±­ÖУ¬ÖðµÎ¼ÓÈë5%µÄÏ¡ÑÎËáÖкͣ¬µ±Ç¡ºÃÍêÈ«·´Ó¦Ê±£¬ÓÃȥϡÑÎËá7.3g£®Çë¼ÆËã·ÏË®ÖÐÇâÑõ»¯ÄƵÄÖÊÁ¿·ÖÊý£®
£¨2013?¿ª·âһģ£©Ëá¡¢¼î¡¢ÑÎÊÇÓй㷺ÓÃ;µÄÖØÒª»¯ºÏÎij»¯Ñ§»î¶¯Ð¡×éµÄͬѧΧÈÆÕ⼸À໯ºÏÎï½øÐÐÁËһϵÁеÄ̽¾¿»î¶¯£®
£¨1£©³£¼ûµÄËáÓÐÑÎËá¡¢ÁòËáµÈ£¬ÓÉÓÚÔÚÈÜÒºÖдæÔÚÓÐÏàͬµÄ
H+
H+
£¨Ìѧ·ûºÅ£©¶øÓÐÏàËƵĻ¯Ñ§ÐÔÖÊ£»Ï¡ÊÍŨÁòËáʱ£¬²»¿É½«Ë®µ¹½øŨÁòËáÀïµÄÔ­ÒòÊÇ
Ë®µÄÃܶȽÏС£¬¸¡ÔÚŨÁòËáÉÏÃæ
Ë®µÄÃܶȽÏС£¬¸¡ÔÚŨÁòËáÉÏÃæ
£¬
Èܽâʱ·Å³öµÄÈÈ»áʹˮ·ÐÌÚ£¬Ôì³ÉËáÒº·É½¦
Èܽâʱ·Å³öµÄÈÈ»áʹˮ·ÐÌÚ£¬Ôì³ÉËáÒº·É½¦
£®
£¨2£©ÇâÑõ»¯ÄÆÊÇÖØÒªµÄ»¯¹¤Ô­ÁÏ£¬ÔÚ±£´æµÄ¹ý³ÌÖÐÈç¹ûÃÜ·â²»ÑÏÈÝÒ×±äÖÊ£®ÊµÑéÊÒÓÐһƿ¾ÃÖõÄÇâÑõ»¯ÄƹÌÌ壬ΪÁË̽¾¿¸ÃÇâÑõ»¯ÄƹÌÌåÊÇ·ñ±äÖÊ£¬Í¬Ñ§ÃǽøÐÐÁËÈçÏÂʵÑ飺
¢ÙÇâÑõ»¯ÄƱäÖʵÄÔ­ÒòÊÇ
2NaOH+CO2¨TNa2CO3+H2O
2NaOH+CO2¨TNa2CO3+H2O
£¨Óû¯Ñ§·½³Ìʽ±íʾ£©£®
¢ÚÈôÏÖÏóaΪÓÐÆøÅݲúÉú£¬Ôò¼ÓÈëµÄAÈÜÒº¿ÉÄÜÊÇ
Ï¡ÑÎËá
Ï¡ÑÎËá
£¬ËµÃ÷ÇâÑõ»¯ÄÆÒѾ­±äÖÊ£®
¢Û½øÒ»²½Ì½¾¿²úÆ·±äÖʵij̶ȣ¬ÔÙ¼ÓÈëµÄAÊǹýÁ¿µÄCaCl2ÈÜÒº£¨CaCl2ÈÜÒº³ÊÖÐÐÔ£©£¬ÏÖÏóaΪÓа×É«³Áµí£¬ÏÖÏóbΪÎÞÉ«·Ó̪ÊÔÒº±äºìÉ«£¬ÔòÖ¤Ã÷¸ÃÇâÑõ»¯ÄƹÌÌå
²¿·Ö
²¿·Ö
£¨Ìî¡°²¿·Ö¡±»ò¡°ÍêÈ«¡±£©±äÖÊ£®
£¨3£©º£Ë®Öк¬ÓзḻµÄÂÈ»¯ÄÆ£¬ÀûÓ÷紵ÈÕɹ¿ÉÒÔ´Óº£Ë®ÖÐÌáÈ¡´ÖÑΣ¬·ç´µÈÕɹµÄ×÷ÓÃÊÇ
Õô·¢³ýȥˮ·Ö
Õô·¢³ýȥˮ·Ö
£»ÓûÓû¯Ñ§·½·¨³ýÈ¥´ÖÑÎÖлìÓеÄÉÙÁ¿ÂÈ»¯Ã¾£¬¿É½«´ÖÑÎÈܽâºó£¬¼ÓÈëÊÊÁ¿µÄ
ÇâÑõ»¯ÄÆ
ÇâÑõ»¯ÄÆ
ÈÜÒº£®
£¨4£©Èô73gÖÊÁ¿·ÖÊýΪ20%µÄÑÎËáÓëÒ»¶¨ÖÊÁ¿µÄÇâÑõ»¯ÄÆÈÜҺǡºÃÍêÈ«·´Ó¦£¬Éú³ÉµÄÂÈ»¯ÄÆÈÜÒºµÄÖÊÁ¿Îª233g£¬ÊÔ¼ÆËã¸ÃÇâÑõ»¯ÄÆÈÜÒºµÄÈÜÖÊÖÊÁ¿·ÖÊý£®
Ëá¡¢¼î¡¢ÑÎÊÇÓй㷺ÓÃ;µÄÖØÒª»¯ºÏÎij»¯Ñ§»î¶¯Ð¡×éµÄͬѧΧÈÆÕ⼸À໯ºÏÎï½øÐÐÁËһϵÁеÄ̽¾¿»î¶¯£®
£¨1£©Í¬Ñ§ÃÇ´ò¿ªÊ¢Å¨ÑÎËáºÍŨÁòËáÊÔ¼ÁÆ¿µÄÆ¿¸Ç£¬Á¢¼´¾ÍÄÜ°ÑËüÃÇÇø·Ö¿ªÀ´£¬ÕâÊÇΪʲô£¿
£¨2£©ÈçͼÊÇijÊÔ¼ÁÆ¿±êÇ©ÉϵÄÄÚÈÝ£®Òª°Ñ30 gÕâÖÖŨÁòËáÏ¡ÊÍΪ40%µÄÁòËᣬÐèҪˮµÄÖÊÁ¿Îª
 
g£®Ï¡ÊÍŨÁòËáʱ£¬²»¿É½«Ë®µ¹½øŨÁòËáÀÇë½âÊÍÆäÔ­Òò£®
ŨÁòËᣨ·ÖÎö´¿£©
»¯Ñ§Ê½£ºH2SO4      Ïà¶Ô·Ö×ÓÖÊÁ¿£º98
Ãܶȣº1.84g/cm3 ÖÊÁ¿·ÖÊý£º98%
£¨3£©Êìʯ»ÒÊÇÒ»ÖÖÖØÒªµÄ¼î£¬ÔÚ¹¤Å©Éú²úºÍÈÕ³£Éú»îÖж¼ÓÐÊ®·Ö¹ã·ºµÄÓ¦Ó㮹¤ÒµÉÏÊ×ÏÈÊÇÓôóÀíʯ£¨Ö÷Òª³É·Ö̼Ëá¸Æ£©¸ßÎÂìÑÉÕÀ´ÖÆÈ¡Éúʯ»Ò£¬È»ºóÔÙÓÃÉúʯ»ÒÓëË®·´Ó¦À´ÖÆÈ¡Êìʯ»Ò£®ÇëÄãд³öÓйط´Ó¦µÄ»¯Ñ§·½³Ìʽ£®
£¨4£©ÎªÌ½¾¿Ò»Æ¿ÇâÑõ»¯ÄƹÌÌåµÄ±äÖÊÇé¿ö£¬Í¬Ñ§ÃǽøÐÐÁËÈçÏÂʵÑ飮
¢ÙÈ¡ÉÙÁ¿¸Ã¹ÌÌåÑùÆ·ÖÃÓÚÊÔ¹ÜÖУ¬ÏòÆäÖмÓÈëÒ»ÖÖÎÞÉ«ÈÜÒº£¬·¢ÏÖÓÐÆøÅݲúÉú£¬ËµÃ÷¸ÃÑùÆ·Öк¬ÓÐ̼ËáÄÆ£¬ÓÉ´Ë¿ÉÈ·¶¨¸Ã¹ÌÌåÒÑ·¢Éú±äÖÊ£®ÔòÎÞÉ«ÈÜÒº¿ÉÄÜÊÇ
 
£®
¢ÚΪ̽¾¿¸Ã¹ÌÌåÖÐÊÇ·ñ»¹ÓÐδ±äÖʵÄÇâÑõ»¯ÄÆ£¬Í¬Ñ§ÃÇÓÖ½øÐÐÁËÈçϱíËùʾµÄʵÑ飮ÒÑ֪̼ËáÄƵÄË®ÈÜÒº³Ê¼îÐÔ£¬ËüµÄ´æÔÚ»á¶ÔÇâÑõ»¯ÄƵļìÑéÔì³É¸ÉÈÅ£®Çë¸ù¾ÝͼÖв¿·ÖÎïÖʵÄÈܽâÐÔ±í£¨20¡æ£©ËùÌṩµÄÐÅÏ¢£¬½«Ï±íÌîдÍêÕû£®
ÑôÀë×Ó\ÒõÀë×Ó OH- NO3- Cl- SO42- CO32-
H+ ÈÜ¡¢»Ó ÈÜ¡¢»Ó ÈÜ ÈÜ¡¢»Ó
Na+ ÈÜ ÈÜ ÈÜ ÈÜ ÈÜ
Ba2+ ÈÜ ÈÜ ÈÜ ²»ÈÜ ²»ÈÜ
ʵÑéÄ¿µÄ ʵÑé²Ù×÷ ÏÖÏó ½áÂÛ»ò»¯Ñ§·½³Ìʽ

³ýȥ̼ËáÄÆ
È¡ÉÙÁ¿¸Ã¹ÌÌåÑùÆ·ÈÜÓÚË®Åä³ÉÈÜÒº£¬µÎ¼ÓÊÊÁ¿µÄ
 
ÈÜÒº£¬
³ä·Ö·´Ó¦ºó¹ýÂË

Óа×É«³ÁµíÉú³É
Óйط´Ó¦µÄ»¯Ñ§·½³ÌʽΪ
 
¼ìÑéÊÇ·ñº¬ÓÐÇâÑõ»¯ÄÆ ÔÚÂËÒºÖеμӷÓ̪ÈÜÒº
 
¸ÃÑùÆ·Öк¬ÓÐÇâÑõ»¯ÄÆ
£¨5£©Èô73 gÖÊÁ¿·ÖÊýΪ20%µÄÑÎËáÓë127gÇâÑõ»¯ÄÆÈÜҺǡºÃÍêÈ«Öкͣ¬ÊÔ¼ÆËã·´Ó¦ºóËùµÃÈÜÒºÖÐÈÜÖʵÄÖÊÁ¿·ÖÊý£®
£¨2011?¿ª·âһģ£©Ëá¡¢¼î¡¢ÑÎÊÇÓй㷺ÓÃ;µÄÖØÒª»¯ºÏÎij»¯Ñ§»î¶¯Ð¡×éµÄͬѧΧÈÆÕ⼸À໯ºÏÎï½øÐÐÁËһϵÁеÄ̽¾¿»î¶¯£®
£¨1£©ÑÎËá¡¢ÁòËáµÈ¾ßÓÐÏàËƵĻ¯Ñ§ÐÔÖÊ£¬ÊÇÒòΪ¶þÕßµÄË®ÈÜÒºÖж¼º¬ÓÐ______Àë×Ó£®´ò¿ªÊ¢Å¨ÑÎËáºÍŨÁòËáµÄÊÔ¼ÁÆ¿µÄÆ¿¸Ç£¬Á¢¼´¾ÍÄÜ°ÑËüÃÇÇø·Ö¿ªÀ´£¬ÕâÊÇÒòΪ______£®
£¨2£©ÈçͼÊǼ×ͬѧÉè¼ÆµÄȤζʵÑé×°Öã¬ÆäÆøÃÜÐÔÁ¼ºÃ£®Èô½ºÍ·µÎ¹ÜÖеÄÎïÖÊÊÇŨNaOHÈÜÒº£¬×¶ÐÎÆ¿ÖгäÂúCO2£¬Ôò¼·Ñ¹½ºÍ·µÎ¹ÜºóÄܹ۲쵽ʲôÏÖÏ󣿲¢Ð´³öÓйط´Ó¦µÄ»¯Ñ§·½³Ìʽ£®
£¨3£©Ê¢·ÅNaOHÈÜÒºµÄÊÔ¼ÁÆ¿Æ¿¿ÚºÍÏðƤÈûÉϳöÏÖÁË°×É«·ÛÄ©£®ÒÒͬѧºÍ±ûͬѧ¶ÔÕâÖÖ°×É«·ÛÄ©µÄ³É·Ö½øÐÐÁËÈçϲÂÏëºÍÑéÖ¤£®
£¨¢ñ£©¿ÉÄÜÊÇNaOH£¨¢ò£©¿ÉÄÜÊÇNa2CO3£¨¢ó£©¿ÉÄÜÊÇNaOHÓëNa2CO3µÄ»ìºÏÎï
¢ÙÒÒͬѧÏòËùÈ¡ÉÙÁ¿·ÛÄ©ÖеμÓÒ»ÖÖÈÜÒººó£¬ÅųýÁË£¨¢ñ£©µÄ¿ÉÄÜÐÔ£®ÇëÄãÍƲâËûËù¼ÓµÄÊÔ¼ÁºÍ¹Û²ìµ½µÄÏÖÏó£®
¢Ú±ûͬѧÌáÒéÓ÷Ó̪ÊÔÒºÀ´¼ø¶¨£¬ÄãÈÏΪ¿ÉÐÐÂð£¿Çë¼òҪ˵Ã÷ÀíÓÉ£®
£¨4£©Ä³Í¬Ñ§¶Ô¸½½üÒ»¼Ò»¯¹¤³§ÅŷŵÄÎÛË®ÖеÄÇâÑõ»¯Äƺ¬Á¿½øÐÐÁ˲ⶨ£®ËûÈ¡ÁË40gÎÛË®ÓÚÉÕ±­ÖУ¬ÖðµÎ¼ÓÈë5%µÄÏ¡ÑÎËáÖкͣ¬µ±Ç¡ºÃÍêÈ«·´Ó¦Ê±£¬ÓÃȥϡÑÎËá7.3g£®Çë¼ÆËã·ÏË®ÖÐÇâÑõ»¯ÄƵÄÖÊÁ¿·ÖÊý£®

Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com

¾«Ó¢¼Ò½ÌÍø